54253940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2939}}^1$

素因数の和:3032

約数の個数: 48

約数和(自身を含む): 124467840

約数和(自身を除く): 70213900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 2939, 3692, 4615, 5878, 9230, 11756, 14695, 18460, 29390, 38207, 58780, 76414, 152828, 191035, 208669, 382070, 417338, 764140, 834676, 1043345, 2086690, 2712697, 4173380, 5425394, 10850788, 13563485, 27126970, 54253940]

約数ペア:

[(1, 54253940), (2, 27126970), (4, 13563485), (5, 10850788), (10, 5425394), (13, 4173380), (20, 2712697), (26, 2086690), (52, 1043345), (65, 834676), (71, 764140), (130, 417338), (142, 382070), (260, 208669), (284, 191035), (355, 152828), (710, 76414), (923, 58780), (1420, 38207), (1846, 29390), (2939, 18460), (3692, 14695), (4615, 11756), (5878, 9230)]